* {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    text-decoration: none;
}

.head {
    width: 100%;
    height: 40px;
    background-color: #333;
}

.head-zhong {
    width: 1200px;
    height: 40px;
    /* border: 1px solid red; */
    margin: 0 auto;
    display: flex;
    justify-content: space-between;

}

.head-zhong ul {
    display: flex;
    align-items: center;
}

.head-zhong ul li:not(.my-li)::before {
    content: "|";
    padding: 0 5px;
}

.head-zhong ul li {
    color: white;
    font-size: 12px;
}

.head-zhong span {
    width: 180px;
    height: 100%;
    /* border: 1px solid red; */
    display: flex;
    line-height: 40px;
}

.head-zhong span>span {
    width: 90px;
    height: 100%;
    /* border: 1px solid red; */
    line-height: 40px;
}

.logo {
    width: 100%;
    height: 80px;
}

.logo-zhong {
    width: 1200px;
    height: 80px;
    /* border: 1px solid red; */
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-zhong>span:nth-of-type(1) {
    width: 40px;
    height: 40px;
    /* border: 1px solid red; */
    background-color: black;
    background-image: url(./HTML阶段测试/学生用资源/image/mi-logo.png);
    background-size: 40px 40px;
}

.logo-zhong span:nth-of-type(2) {
    width: 150px;
    height: 40px;
    border: 1px solid grey;
    display: flex;
    flex-direction: row-reverse;

}

.go {
    width: 40px;
    height: 40px;
    border: 1px solid black;
    box-sizing: border-box;
    line-height: 40px;

}

.logo-zhong div {
    width: 600px;
    height: 40px;
    /* border: 1px solid red; */
    display: flex;
    align-items: center;
    margin-left: 50px;
}

.logo-zhong ul {
    display: flex;
    align-items: center;
}

.logo-zhong ul li {
    margin: 0 10px;
}



.lunbo {
    width: 100%;
    height: 460px;
}

.lunbo-da {
    width: 1200px;
    height: 460px;
    margin: 0 auto;
    /* border: 1px solid red; */
    display: flex;
}

.lunbo-da span:nth-of-type(1) {
    width: 240px;
    height: 100%;
    /* border: 1px solid purple; */
    display: flex;
    padding: 0 15px;
    background-color: rgb(56, 55, 55);
}

.lunbo-dayou {
    flex: 1;
    /* border: 1px solid green; */
    background-image: url(./HTML阶段测试/学生用资源/image/T1vWdTBKDv1RXrhCrK.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

.lunbo-ul {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}

.lunbo-ul li {
    width: 240px;
    height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    line-height: 40px;
    color: white;
}

.lunbo-xia {
    width: 100%;
    height: 200px;
    margin-top: 20px;
}

.lunbo-xia-zhong {
    width: 1200px;
    height: 150px;
    /* border: 1px solid rebeccapurple; */
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.xia-tu {
    width: 200px;
    height: 150px;
    /* border: 1px solid red; */
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-content: space-around;

}

.xia-tu span {
    width: 60px;
    height: 60px;
    /* border: 1px solid red; */
    font-size: 12px;
}

.xia-tu1 {
    width: 240px;
    height: 150px;
    /* border: 1px solid red; */
    background-image: url(./HTML阶段测试/学生用资源/image/T184E_BQWT1RXrhCrK.jpg);
    background-size: contain;

}

.xia-tu2 {
    width: 240px;
    height: 150px;
    /* border: 1px solid red; */
    background-image: url(./HTML阶段测试/学生用资源/image/T184E_BQWT1RXrhCrK.jpg);
    background-size: contain;
}

.xia-tu3 {
    width: 240px;
    height: 150px;
    /* border: 1px solid red; */
    background-image: url(./HTML阶段测试/学生用资源/image/T184E_BQWT1RXrhCrK.jpg);
    background-size: contain;
}

.danping {
    width: 100%;
    height: 50px;
}

.danping-nei {
    width: 1200px;
    height: 50px;
    /* border: 1px solid palegoldenrod; */
    line-height: 50px;
    margin: 0 auto;
}

.zhanshi {
    width: 100%;
    height: 250px;
}

.zhanshi-zhong {
    width: 1200px;
    height: 250px;
    /* border: 1px solid red; */
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
}

.zhanshi-zhong div:nth-of-type(1) {
    width: 200px;
    height: 250px;
    /* border: 1px solid red; */
    text-align: center;
}

.zhanshi-zhong div:nth-of-type(2) {
    width: 200px;
    text-align: center;
    height: 250px;
    /* border: 1px solid red; */
}

.zhanshi-zhong div:nth-of-type(3) {
    width: 200px;
    text-align: center;
    height: 250px;
    /* border: 1px solid red; */
}

.zhanshi-zhong div:nth-of-type(4) {
    width: 200px;
    text-align: center;
    height: 250px;
    /* border: 1px solid red; */
}

.yinjian {
    width: 100%;
    height: 40px;
    margin-top: 20px;
}

.yinjian-zhong {
    width: 1200px;
    height: 40px;
    /* border: 1px solid red; */
    margin: 0 auto;
    line-height: 40px;
}

.dianqi {
    width: 100%;
    height: 460px;
}

.dianqi-zhong {
    width: 1200px;
    height: 460px;
    margin: 0 auto;
    /* border: 1px solid red; */
    display: flex;
}

.dianqizhong-zuo {
    width: 230px;
    height: 460px;
    border: 1px solid green;
    background-image: url(./HTML阶段测试/学生用资源/image/T1IhLjBC_T1RXrhCrK.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

.dianqizhong-you {
    flex: 1;
    border: 1px solid black;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.dianqizhong-you div:nth-of-type(1) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dianqizhong-you div:nth-of-type(2) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dianqizhong-you div:nth-of-type(3) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dianqizhong-you div:nth-of-type(4) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dianqizhong-you div:nth-of-type(5) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dianqizhong-you div:nth-of-type(6) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dianqizhong-you div:nth-of-type(7) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dianqizhong-you div:nth-of-type(8) {
    width: 200px;
    height: 220px;
    /* border: 1px solid red; */
    text-align: center;
    font-size: 12px;
}

.dibu {
    width: 100%;
    height: 460px;
    margin-top: 100px;
}

.dibu-zhong {
    width: 1200px;
    height: 460px;
    /* border: 1px solid red; */
}

.dibu-zhong div:nth-of-type(1) {
    width: 1000px;
    height: 100px;
    /* border: 1px solid rebeccapurple; */
    margin: 0 auto;
}

.dibu-zhong div:nth-of-type(2) {
    width: 1200px;
    height: 250px;
    /* border: 1px solid rebeccapurple; */
    display: flex;
    justify-content: space-around;

}

.dibu-zhong div:nth-of-type(3) {
    width: 1200px;
    height: 100px;
    /* border: 1px solid rebeccapurple; */
}

.dibu-zhong div:nth-of-type(1) ul {
    height: 100px;
    width: 1000px;
    padding-left: 63px;
    box-sizing: border-box;

}

.dibu-zhong div:nth-of-type(1) ul li {
    float: left;
    line-height: 100px;


}

.dibu-zhong div:nth-of-type(1) ul li:not(.dibu-li)::before {
    content: "|";
    padding: 30px;
}

.dibu-zhong div:nth-of-type(2) span {
    width: 180px;
    height: 230px;
    /* border: 1px solid red; */
    text-align: center;
}

.dibu-zhong div:nth-of-type(2) span dl {
    margin-top: 70px;
}

.dibu-zhong div:nth-of-type(2) span:nth-of-type(6) {
    margin-top: 70px;
}
.dibu-zhong div:nth-of-type(3){
    line-height: 100px;
}